Bottle cap



FIG. 1 is a side elevational view of a bottle cap showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a sectional view taken in the direction of the arrows on line 4--4 of FIG. 1. 

The ornamental design for a bottle cap, as shown and described. 